DTC B279C Theft Deterrent System Presence Detection

DESCRIPTION

This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle.

DTC Code	DTC Detection Condition	Trouble Area	DTC Output Confirmation Operation
B279C	An ECM that is incompatible with the engine immobiliser system is installed (1 trip detection logic*).	ECM	Check for DTCs.

*: Only output while a malfunction is present.

Vehicle Condition and Fail-safe Operation when Malfunction Detected
Vehicle Condition when Malfunction Detected	Fail-safe Operation when Malfunction Detected
Engine cannot be started	-

Related Data List and Active Test
DTC Code	Data List and Active Test
B279C	-

After performing repairs, perform the operation that fulfills the DTC output confirmation operation, and then confirm that no DTCs are output again.

1.REPLACE CURRENT ECM WITH PROPER ECM

Replace the current ECM with the proper ECM.

for 1GR-FE ()

for 1VD-FTV ()